Home / 29,553.13-40,786.91-21,591.37

Finding the Fourth Proportional to 29,553.13, 40,786.91 and 21,591.37

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Solution

The fourth proportional to 29,553.13, 40,786.91 and 21,591.37 is: 29,798.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,553.13 : 40,786.91 = 21,591.37 : x
  2. Step 2: Convert to fraction form
    29,553.13/40,786.91 = 21,591.37/x
  3. Step 3: Cross multiply
    29,553.13x = 40,786.91 × 21,591.37
  4. Step 4: Simplify right side
    29,553.13x = 880,645,264.97
  5. Step 5: Solve for x
    x = 880,645,264.97/29,553.13
  6. Step 6: Final answer
    x = 29,798.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.